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etimología

Qué (quién) es FEEDBACKS - definición

CHOICE OF PARAMETERS DURING ATHMOSPHERIC OR CLIMATE MODELLING

Climate parameters, forcings and feedbacks; Parametrization (climate); Parametrization (atmospheric modeling); Parameterisation (climate modeling)

Fire–vegetation feedbacks and alternative stable states

Draft:Fire vegetation feedbacks and alternative stable states; Draft:Fire-vegetation feedbacks and alternative stable states; Fire-vegetation feedbacks and alternative stable states

The relationships between fire, vegetation, and climate create what is known as a fire regime. Within a fire regime, fire ecologists study the relationship between diverse ecosystems and fire; not only how fire affects vegetation, but also how vegetation affects the behavior of fire.

https://en.wikipedia.org/wiki/Fire–vegetation_feedbacks_and_alternative_stable_states

feedback

PROCESS IN WHICH INFORMATION ABOUT THE PAST OR THE PRESENT INFLUENCES THE SAME PHENOMENON IN THE PRESENT OR FUTURE; IT OCCURS WHEN OUTPUTS OF A SYSTEM ARE ROUTED BACK AS INPUTS AS PART OF A CHAIN OF CAUSE-AND-EFFECT THAT FORMS A CIRCUIT OR LOOP

Feedback loop; Feedback loops; Feed-back; Sensory feedback; Feedback mechanism; Electronic feedback loop; Feedback circuit; Feedback Inhibition; Fb control; Feedback diagram; Feed back control; Feedback control; Reflexive feedback; Feedback Control; Feedback effect; Electronic feedback loops; Feedback signal

n. negative; positive feedback

feedback

PROCESS IN WHICH INFORMATION ABOUT THE PAST OR THE PRESENT INFLUENCES THE SAME PHENOMENON IN THE PRESENT OR FUTURE; IT OCCURS WHEN OUTPUTS OF A SYSTEM ARE ROUTED BACK AS INPUTS AS PART OF A CHAIN OF CAUSE-AND-EFFECT THAT FORMS A CIRCUIT OR LOOP

Feedback loop; Feedback loops; Feed-back; Sensory feedback; Feedback mechanism; Electronic feedback loop; Feedback circuit; Feedback Inhibition; Fb control; Feedback diagram; Feed back control; Feedback control; Reflexive feedback; Feedback Control; Feedback effect; Electronic feedback loops; Feedback signal

<electronics> Part of a system output presented at its input. Feedback may be unintended. When used as a design feature, the output is usually transformed by passive components which attenuate it in some manner; the result is then presented at the system input. Feedback is positive or negative, depending on the sign with which a positive change in the original input reappears after transformation. Negative feedback was invented by Black to stabilise vacuum tube amplifiers. The behaviour becomes largely a function of the feedback transformation and only minimally a function of factors such as transistor gain which are imperfectly known. Positive feedback can lead to instability; it finds wide application in the construction of oscillators. Feedback can be used to control a system, as in {feedback control}. (1996-01-02)

Wikipedia

Parametrization (climate modeling)

Parameterization in a weather or climate model is a method of replacing processes that are too small-scale or complex to be physically represented in the model by a simplified process. This can be contrasted with other processes—e.g., large-scale flow of the atmosphere—that are explicitly resolved within the models. Associated with these parameterizations are various parameters used in the simplified processes. Examples include the descent rate of raindrops, convective clouds, simplifications of the atmospheric radiative transfer on the basis of atmospheric radiative transfer codes, and cloud microphysics. Radiative parameterizations are important to both atmospheric and oceanic modeling alike. Atmospheric emissions from different sources within individual grid boxes also need to be parameterized to determine their impact on air quality.

https://en.wikipedia.org/wiki/Parametrization (climate modeling)

Ejemplos de uso de FEEDBACKS

1. "These positive feedbacks with landmasses weren‘t known about then.

2. He is also studying videos made by analyst S Ramakrishnan, which gives feedbacks on a player‘s negative and positive points.

3. "Feedbacks in the system are starting to take hold," says the National Snow and Ice Data Center‘s lead scientist Ted Scambos.

4. "We knew at some point we‘d get these feedbacks happening that exacerbate global warming, but this could lead to a massive injection of greenhouse gases.

5. Since a reduction in ice cover was important in the instigation of these trends, they constitute positive feedbacks," the scientists write in the journal Geophysical Research Letters.